Armchair



FIG. 1 is a front perspective view of an armchair, showing my new design;

FIG. 2 is a right elevational view thereof, the left elevational view being a mirror image;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

FIGS. 2-5 have been shown on a reduced scale with respect to FIG. 1. 

The ornamental design for an armchair, as shown and described. 